Force no caching in the browser

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Jamie Pittock

• March 15, 2015 08:13

Hi -

I want Fastly to cache my pages but make sure the browser doesn’t. I think I’ve seen a couple of options in your guides.

1. Add some headers of type “Response” in the control panel as per this guide:

https://docs.fastly.com/guides/caching/how-can-i-force-absolutely-no-caching-in-the-browser

2. Use a combination of the Cache-Control and Surrogate-Control headers on the origin as per this guide:

https://docs.fastly.com/guides/tutorials/cache-control-tutorial

Can anyone confirm the best route and any caveats associated with either option?

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  Austin Spires

  • March 16, 2015 09:35

  Hi @jamiepittock both of those options will give you the same end result, it just depends on where you would prefer to maintain the controlling logic.

  • If you have full access to your code base, and making header changes doesn't involve a great deal of maintenance work or restrictions, setting Cache-Control and Surrogate-Control rules as needed on your origin may be best. You can keep the logic in version control, and the rules will be visibly apparent in your regular development process.

  • If you don't have access to the full code base of your application, or if there's a great deal of uphill effort to get code changes deployed in your organization, setting up the caching rules within Fastly may make more sense. Then you can send Cache-Control headers to your end users via the CDN to enforce no caching.

  It ultimately comes down to your call as to where the rules should reside.

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